Product specification Network Video Recorder Hikvision DS-7732NXI-K4 32 Channels 4K

The Hikvision DS-7732NXI-K4 32 Channels 4K network video recorder is designed for multi-camera IP surveillance systems requiring high-resolution recording and reliable storage. It supports up to 32 channels with 4K input, uses efficient H.265/H.264 compression, and integrates with common network protocols to work with cameras and management platforms. The unit offers multiple USB ports, dual Ethernet interfaces and a SATA-compatible hard drive interface for scalable local storage up to the installed capacity.

Advantages

The recorder provides 4K-capable channels and efficient H.265/H.264 codecs to reduce bandwidth and storage usage while maintaining image quality. Dual Ethernet ports improve network redundancy or segmentation for separate camera and management networks. Multiple USB ports allow for local backup and peripheral connection. Compatibility with SATA, SATA II and SATA III drives ensures flexibility when selecting storage media. The compact, rack-friendly black enclosure is engineered for continuous operation in surveillance environments.

Suitable for

• Medium to large IP camera systems in commercial buildings
• Retail stores and shopping centres requiring multi-channel 4K recording
• Office complexes and property management with centralized monitoring
• Public facilities and transport hubs where continuous recording and reliable storage are needed

Key specifications

• Supported channels: up to 32 IP camera channels with 4K input capability
• Video codecs: H.265 and H.264 for compressed recording
• Storage interface: SATA, SATA II, SATA III compatible hard drives
• Maximum local storage: depends on installed HDDs (support for large-capacity drives)
• Network interfaces: 2 × Ethernet (RJ-45) ports for network connectivity
• USB ports: 1 × USB 3.2 Gen 1 (Type-A) and 2 × USB 2.0 for backups and peripherals
• Weight: 5 kg
• Colour: Black

How to use

Install compatible SATA hard drives into the recorder following the manufacturer’s instructions and mount the unit in a suitable rack or shelf. Connect IP cameras to the network and configure camera discovery or add devices manually via the recorder’s web interface or client software. Assign recording schedules, codec settings and retention policies to each channel to balance image quality and storage requirements. Use the dual Ethernet ports to separate camera traffic from management traffic if needed. Local backups can be performed using USB drives connected to the available USB ports.

Usage recommendations

For reliable long-term performance, use enterprise or surveillance-grade SATA drives and configure regular health checks and overwrite policies. Keep firmware updated and segment camera traffic on a dedicated switch where possible. When planning storage capacity, allow headroom for peak recording events and retention periods required by your site’s policies.